Iraq: Syrian-Kurdish refugees prepare food for their families at the Quru Gusik (Kawergosk) refugee camp, 20 kilometres east of Arbil, the capital of the autonomous Kurdish region of northern Iraq, on February 13, 2014.

Brazil: Brazilian coffee producer Marcio Diogo adjusts an irrigation system in his farm in Santo Antonio do Jardim February 7, 2014. In Brazil's coffee belt, frost has long been the biggest risk for farmers and commodities traders alike. But after years of migration to warmer confines, farmers here now find themselves scrambling to overcome a unusual threat: blistering heat. January was the hottest and driest month on record in much of southeastern Brazil, punishing crops in the country's agricultural heartland and sending commodities prices sharply higher in global markets. As signs emerged that the world's largest coffee crop was withering, futures prices shot up 26 percent over a seven-day stretch to a nine-month high.

Washington DC: White House Executive Pastry Chef Bill Yosses shows an after dinner plate with fudge made from Vermont maple syrup, lavender shortbread cookies, and cotton candy dusted with orange zest, during a preview for the upcoming State Dinner in honor of French President Francois Hollande in the State Dining Room of the White House on February 10, 2014 in Washington,DC.

California: Citrus gone bad due to lack of water covers the ground at the Rancho Del Sol Organics farm in San Diego County, California, U.S., on Monday, Feb. 10, 2014. It is estimated that a week of freezing temperatures in early December cost California's citrus industry approximately $441 million in ruined fruit, according to California Citrus Mutual.

Photo: Sam Hodgson, Bloomberg

California: Citrus gone bad due to lack of water covers the ground...

California: Citrus gone bad due to lack of water covers the ground... Photo-5885413.80005 - SFGate

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United Kingdom: A couple promote the Piccola Venezia Italian restaurant by rowing their gondola through flood waters on February 12, 2014 in Datchet, England.

Indonesia: A resident works on a farm as smoke billows from Mount Sinabung (background) in Karo district, Sumatra island.

Photo: Sutanta Aditya, AFP/Getty Images

Indonesia: A resident works on a farm as smoke billows from Mount...

Indonesia: A resident works on a farm as smoke billows from Mount... Photo-5885419.80005 - SFGate

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Kentucky: Maker's Mark bottles are filled with with bourbon on the production line at the Maker's Mark Distillery plant in Loretto, Kentucky. Suntory Holdings Ltd said on January 13 that it would buy U.S. spirits company Beam Inc for $13.6 billion cash in a deal that would make the Japanese company the world's third-largest spirits maker.

Central African Republic: Aid workers unload food to be distributed at a camp for people displaced by the recent unrest, at the Mpoko international airport of Bangui February 12, 2014. The United Nations estimates that 1.3 million people - more than a quarter of the population - are in need of urgent food aid after months of communal violence that French and African peacekeepers have been unable to stop.

France: Stephan Martinez, owner of Le Petit Choiseuil bistrot, points at a sticker for a pilot project to collect food waste in Paris February 12, 2014. A group of Paris restaurants is turning food scraps into biogas and compost ahead of a new law that will force thousands of French food outlets to recycle their organic waste. Some 80 restaurants, caterers and hotels, signed up for a pilot project to collect their food waste, which is used to generate biogas and produce electricity and heat, as well as compost for farms around Paris. Martinez, who took the initiative for the project, said the collection anticipates the law but that participating restaurants are happy that someone collects their waste and puts it to good use.

India: A chef prepares food inside the kitchen of the Crown Plaza hotel, run by the InterContinental Hotels Group (IHG), in New Delhi January 31, 2014. Slowing economic growth and an oversupply of new hotels conceived during the boom years of 2006 and 2007 have led to falling room and occupancy rates in India, straining relationships between hotel owners and the global chains brought in to run them.